50 results about "Allyl amine" patented technology

The application belongs to the technical field of lithium ion battery adhesives, and particularly relates to a hyperbranched network polyacrylic acid resin special for silicon-carbon negative electrodes, a preparation method and application thereof. The hyperbranched network polyacrylic acid resin special for silicon-carbon negative electrodes comprises, by mass fraction, 3-10 parts of water-based acrylic acid resin, 4-10 parts of monomer A, 2-6 parts of monomer B, 2-6 parts of monomer C, 60-80 parts of solvent, 0.1-0.2 parts of chain extender, 1-8 parts of crosslinking agent and 0.5-1 part of silane coupling agent. The monomer A is an acrylic ester monomer, the monomer B is an acrylamide monomer, the monomer C is at least one selected from an allyl amine monomer and an acrylonitrile monomer, and the chain extender is at least one selected from dodecyl mercaptan and 2-mercaptoethanol. The polyacrylic acid resin has high viscosity and peeling strength, and the prepared lithium ion battery negative electrode material has high discharge specific capacity and cycle performance.

The invention discloses a preparation method of plant-based polyester fibers, and relates to the technical field of high polymer materials. When the plant-based polyester fiber is prepared, firstly, phosphorus-modified dopamine is synthesized by taking dopamine hydrochloride and sodium hypophosphite as raw materials; carrying out copolymerization on the phosphorus-modified dopamine, terephthalic acid, ricinoleic acid and 1, 3-propylene glycol to prepare modified plant-based polyester; the preparation method comprises the following steps: synthesizing 2-bornyl-4, 6-dichloro-1, 3, 5-triazine from aminated carbon nanotubes, further synthesizing 2-bornyl-4, 6-dichloro-1, 3, 5-triazine from L-borneol and 2, 4, 6-trichloro-1, 3, 5-triazine, reacting the 2-bornyl-4, 6-dichloro-1, 3, 5-triazine with the aminated carbon nanotubes, and modifying with allylamine to obtain modified carbon nanotubes; finally, the modified plant-based polyester, the modified carbon nanotubes and auxiliaries are subjected to blending extrusion, melt spinning and treatment through copper nitrate and ascorbic acid, and the plant-based polyester fiber is prepared. The plant-based polyester fiber prepared by the invention has excellent antibacterial property, flame retardant property and mechanical property.

An aspect of the present application provides a CMP polishing liquid for polishing polysilicon, the CMP polishing liquid containing abrasive grains and a cationic polymer, the cationic polymer including at least one selected from the group consisting of a polymer A having a main chain including a nitrogen atom and a carbon atom and a hydroxyl group bonded to the carbon atom and an allylamine polymer B. Another aspect of the present application provides a polishing method including a step of polishing a polishing target material using the CMP polishing liquid.

The application relates to a preparation method of a biosensor. The application relates to a preparation method of a portable pesticide detection biosensor based on acetylcholinesterase (AChE)@poly(allylamine hydrochloride)-hydrogen bond organic framework (PAH-HOF) and application of the biosensor in on-site rapid chlorpyrifos detection, and belongs to the technical field of biosensors. According to the method, AChE is combined with poly(allylamine hydrochloride) (PAH) to change the surface charge and promote self-assembly of the AChE and the hydrogen bond organic framework (HOF), so that an AChE@PAH-HOF composite material with high catalytic activity, high embedding rate and high stability is formed; then the material is integrated into a water-retaining glycerol-sodium alginate hydrogel (G-SA) matrix to construct a disc-shaped sensor. The sensor can be attached to the surface of plants and used for long-term in-situ monitoring of organophosphorus pesticides. In combination with an image processing algorithm, the system realizes accurate tracking of the chlorpyrifos degradation process on the surface of tomato plants, and the detection limit reaches 1 ng / mL. The application provides non-invasive and low-cost technical support for crop health management and sustainable precision agriculture.

The invention belongs to the field of medicinal chemistry, and relates to an indole allylamine amide derivative as well as a preparation method and application thereof. Functional activity screening of G protein dependent signaling pathways is carried out on all the synthesized compounds, and it is found that the new derivatives can be used for preparing beta2-adrenergic receptor allosteric antagonism regulator drugs. Trans-indole allylamine is used as a raw material, amide coupling is performed to obtain the novel indole allylamine amide derivative, and R1 is any one of phenyl, m-methylbenzene, m-methoxyphenyl, m-bromophenyl, m-chlorphenyl, m-fluorophenyl, o-methoxyphenyl, p-methoxyphenyl, naphthalene ring, oxazole, cyclohexyl, cyclopentyl, methyl, ethyl and isopropyl. A biological activity test result shows that the indole allylamine amide derivative disclosed by the invention has relatively good antagonistic activity on beta2AR and can be used for carrying out negative allosteric regulation on the functional activity of isoproterenol.

The application discloses a kind of using cobalt catalyst by unreported double migration coupling strategy, realizes migration asymmetric nitrogen hetero Nozaki-Hiyama-Kishi (aza-NHK) reaction, and the selective preparation α-chiral (E)-allyl amine starting from simple and easy to obtain ortho halogen phenyl ethylene or corresponding E / Z-alkyl bromide or its mixture belongs to the field of organic chemistry and medicinal chemistry.The application under the action of metal cobalt source, ligand, organic additive, inorganic additive etc., makes cyclic sulfonamide and ortho alkenyl substituted aryl halide or alkenyl halide react in organic solvent, to obtain a series of polysubstituted olefins with excellent regioselectivity, stereoselectivity and good yield, which can be used as active drug molecules and important synthetic intermediates.The application uses cheap transition metal cobalt as catalyst, and uses ortho alkenyl substituted aryl iodine and cyclic sulfonamide as raw material, and the reaction condition is warm, simple operation, and good functional group compatibility.

The application discloses a kind of S-delta-substituted caprolactam chemical / enzyme series preparation method, and the specific preparation method is: 1-substituted high allyl amine occurs dynamic kinetic resolution reaction with acrylic ester compound under the catalysis of alkaline protease (special treatment) and generates S-acryl (1-substituted high allyl) amine, then the product occurs intramolecular olefin metathesis under the catalysis of Grubbs reagent and finally generates S-delta-substituted caprolactam shown in formula (1), wherein, substituent R is phenyl, halogenated phenyl or C2-C12 alkyl.The application has mild reaction condition, is conducive to reducing the equipment requirement of preparation process, improves synthesis safety and economy;Secondly, the reaction course of the method is simple, and single configuration S-delta-substituted caprolactam can be obtained by one-pot reaction, with very high atom economy.

The invention relates to a synthesis method of an allyl amine compound. According to the method, 2-methylquinoline or acetophenone derivatives are used as raw materials, a selective fluorine reagent Selectfluor is used as an accelerant, dimethyl sulfoxide and N 'N-dimethylacetamide are used as a mixed solvent, and the allyl amine series compounds are prepared with high yield. The preparation method has the advantages of being low in cost, easy to operate, green, free of pollution and the like, and has potential industrial application prospects. The method provides a green, cheap and convenient way for preparing the allyl amine derivative by using 2-methylquinoline or acetophenone compounds as initiators.

The invention relates to the field of textile printing materials, and discloses a preparation method of water-based digital printing bottoming white adhesive cement, which comprises the following steps: mixing water-based acrylate emulsion with an auxiliary agent and a macromolecular quaternary ammonium salt color fixing agent to obtain a premix; mixing the premix with filling powder to obtain dispersion liquid; and adding a curing agent and a thickening agent into the dispersion liquid and mixing. The macromolecular quaternary ammonium salt color fixing agent is prepared by reacting an organic silicon modified allylamino phosphorus-containing bromine substituent and bis (dimethylamino) phosphoric acid hydrogenated cardanol ester; the organic silicon modified allylamine phosphorus-containing bromine substituent is prepared by preparing the allylamine phosphorus-containing bromine substituent from allylamine, phenyl dichlorophosphate and 2-bromoethylamine hydrobromide as raw materials and then reacting the allylamine phosphorus-containing bromine substituent with heptamethyltrisiloxane. The white rubber cement prepared by the preparation method is bright in color and clear in pattern, can be recycled and reused, and has the advantages that the white rubber cement is easy to prepare, the cost is low, and the application prospect is wide. The color fixing fastness, the flame-retardant and fire-proof performance, the net blocking prevention performance and the hand feeling comfort degree are good.

The present invention relates to compositions comprising RNA, preferably messenger RNA (mRNA), more preferably self-amplifying RNA (saRNA), and polymers, in particular cationic polymers, such as polyethylenimine (PEI), poly-L-Lysin (PEL), polyvinylamine (PVA) or polyallylamine (PAA), where individual RNA molecules are present in solution. In the formulations, the RNA is preferentially present in the form of monomers, dimers, timers or oligomers, but not as aggregates comprising a large number of RNA molecules per aggregate, in particular large polyplex nanoparticles. The formulations display improved transfection efficacy and they can be used for delivery of RNA to a subject, where they have an improved dose response relationship in comparison to formulations where large aggregates in the form of polyplex nanoparticles are present.

The invention provides a temporary plugging agent and a preparation method thereof. Raw materials of the temporary plugging agent comprise resin and modified particles, and raw materials of the modified particles comprise rigid particles wrapped by composite membranes and a modifier; the modifier is a mixture containing a silane coupling agent and a film-forming agent; the composite membrane is prepared from polyethyleneimine, polyallylamine hydrochloride and nano silicon dioxide. The preparation method of the temporary plugging agent comprises the following steps: sequentially immersing rigid particles into a polyallylamine hydrochloride solution, a nano silicon dioxide dispersion liquid, a polyethyleneimine solution and a nano silicon dioxide dispersion liquid, and repeating for 20-100 times to obtain rigid particles wrapped by a composite film; mixing the rigid particles wrapped by the composite film, a silane coupling agent and a film-forming agent, and heating to obtain modified particles; and mixing the modified particles with resin, and curing to obtain the temporary plugging agent. The temporary plugging agent provided by the invention has good toughness and relatively high strength, and can be used for plugging the interior of a crack through good deformability.

The application relates to the technical field of medical nanobiomaterials, and provides a preparation method of a GOX-CAT-HAase-Hb natural enzyme nanogel for pancreatic cancer starvation treatment, which solves the key problems of complex nanocarrier process, low enzyme encapsulation rate, insufficient drug loading, poor dispersibility, easy degradation and inactivation of free enzymes, low synergistic efficiency and poor biocompatibility in the pancreatic cancer starvation treatment; the method comprises the following steps: S1, polyallylamine is dissolved in a HEPES buffer solution, PEG2000-NHS is reacted at room temperature, glycidyl methacrylate is reacted at 60 DEG C, and a positive polymer solution is obtained through dialysis; S2, GOX, HAase, CAT and Hb are respectively modified by NAS acrylation, and are freeze-dried after dialysis and purification; S3, the four are mixed in a molar ratio of 1:1:1:1, positive polymer and acrylamide monomers are added, an initiator is added after nitrogen deoxygenation, polymerization is carried out, and a natural enzyme nanogel is obtained through dialysis and purification.

The application discloses an allyl amine compound and a preparation method thereof. Under the condition of no water and no oxygen, MBH alcohol compound and tetra(dimethylamino)diboron are added into 1,4-dioxane, and after stirring reaction at 100 DEG C for 12 hours, a reaction solution is obtained, and the reaction solution is separated and purified to obtain the allyl amine compound. Compared with the prior art, the preparation method does not need the participation of a catalyst, the Lewis acidity of the reactant itself is used to realize dehydration coupling to construct a C-N bond, the reaction condition is relatively mild, the substrate universality is high, various kinds of MBH alcohol compounds modified by different functional groups can be subjected to allylation with high yield, and the application has potential application value in fine chemistry and industrial production.

Disclosed herein are methods of treating compliment mediated diseases using a crosslinked poly(allyamine) polymer comprising the residues of 2-propen-1-ylamine, or a salt thereof, 1,3-bis(allylamino)propane, or a salt thereof, and 1,2-dichloroethane.

Provided is a polymer compound capable of further imparting practically preferable various properties such as handleability improved by increasing the melting point thereof, while maintaining properties such as specific optical properties derived from an azulene skeleton, the polymer compound also being capable of imparting hydrophilicity (preferably, water solubility) by design. The problem addressed by the present invention is solved by a polymer compound that has a structure having a structural moiety (A) and a structural moiety (B), wherein: the structural moiety (A) has an azulene skeleton; the structural moiety (B) is selected from a structural moiety (B1) having a polyallylamine structure, a structural moiety (B2) having a polydiallylamine structure, and a structural moiety (B3) having a polyethyleneimine structure; and the structural moiety (A) and the structural moiety (B) are bonded via a carbonyl group.

In one embodiment, a wetting agent is provided that can improve the wettability of a silicon wafer surface and improve the polishing speed when used for polishing a silicon wafer. [Solution] In one embodiment, this disclosure relates to a wetting agent containing a polyamine-N-oxide having a structure derived from one polyamine selected from polyethyleneimine, polyallylamine, and polydiallylamine, and a structure derived from one or more compounds selected from glycidyl group-containing compounds and acrylamide compounds.

The application provides a method for synthesizing allyl tertiary amine, which can selectively synthesize allyl tertiary amine from alkyl secondary amine through allyl amination with high efficiency. The application uses metal-phosphine complex as a homogeneous catalyst, and simultaneously adds a cocatalyst ketoxime to selectively catalyze the cleavage of the primary allyl C-H bond of olefin to synthesize allyl amine. The method can be extended to a wide range of olefins, has atom economy, makes the synthesis of allyl tertiary amine compounds simpler and more efficient, the catalyst can be recycled, and excellent chemical region selectivity and functional group tolerance are exhibited.

The invention provides a method for synthesizing chiral allylamine through nickel-catalyzed hydrogen alkenylation reaction of alkenyl amide and alkyne, and belongs to the field of organic synthesis. The method comprises the following steps: reacting a compound 1 and a compound 2 in a solvent in the presence of a catalyst, a ligand, an alkaline reagent, an additive and a hydrogen source to obtain compounds 3-5. The method is easy to operate and environmentally friendly, the obtained product is high in yield, purity and ee value, the substrate is good in universality and high in enantioselectivity, and preparation of an alkyl metal catalyst is avoided.

In one aspect, an etching method is provided that can suppress the variation in etching rate between the first use of the etching liquid and the second use of the etching liquid, even when the etching liquid is reused. [Solution] In one aspect, the present disclosure relates to an etching method comprising the step of etching a layer to be etched that contains a Group 6 element metal using an etching solution containing phosphoric acid, nitric acid, and the following component A, and when the etching solution contains a Group 6 element metal, the etching method further comprises the step of adding the following component A to the etching solution before the etching: Component A: at least one compound selected from the group consisting of a compound having a repeating unit derived from ethyleneimine, a compound having a repeating unit derived from allylamine, and a compound having a repeating unit derived from diallylamine

The application relates to the technical field of organic synthesis, and provides a synthesis method of chiral allylamine and application thereof, which takes isoegual and chiral tert-butylsulfonamide as initial raw materials, synthesizes an enamine intermediate M1, adopts a silyl ether protecting group to protect a phenolic hydroxyl group to obtain an intermediate M2, then carries out a Grignard reaction on the intermediate M2 to obtain an intermediate M3, then removes a sulfinyl group from the intermediate M3 to obtain an intermediate M4, and then acetylates to obtain an intermediate M5, and finally removes a silyl ether protecting group from the intermediate M5 to obtain the chiral allylamine. The synthesis method can reduce the preparation cost of the chiral allylamine, is beneficial to industrialized production, optimizes stereoselectivity, and omits a chiral resolution step, and the chiral allylamine can be used for synthesizing colchicine.

In one embodiment, an etching solution composition that can reduce etching unevenness is provided. [Solution] In one aspect, the present disclosure relates to an etching solution composition for etching a layer to be etched containing at least one metal, wherein the etching solution composition comprises an etching inhibitor, an acid containing at least nitric acid, and water, and has a pH of 1 or less, and the etching inhibitor is at least one nitrogen-containing compound selected from polymers containing polyalkylene imines and diallylamine-derived structural units.

In one embodiment, a polishing liquid for silicon wafers is provided that can improve the wettability of the silicon wafer surface, suppress the residue of abrasive particles, and improve the polishing speed. [Solution] In one embodiment, this disclosure relates to a polishing solution for silicon wafers containing a polyamine-N-oxide having a structure derived from one polyamine selected from polyethyleneimine, polyallylamine, and polydiallylamine, and a structure derived from one or more compounds selected from epoxy group-containing compounds and acrylamide compounds, and abrasive grains.

The present invention provides a pretreatment method for coating of an automobile body including a high-tensile steel sheet, which enables satisfactory corrosion resistance after coating, and an automobile body. The solution of the present invention is a pretreatment method for coating of an automobile body, which sequentially performs an alkali degreasing step, a first water washing step, a chemical conversion treatment step, a second water washing step, and a cation electrodeposition coating step, and a chemical conversion treatment agent used in the chemical conversion treatment step contains zirconium (A), free fluoride ions (B), an allylamine-diallylamine copolymer (C), aluminum ions (D), and nitrate ions (E) each at a prescribed concentration, the allylamine-diallylamine copolymer (C) forms an acid addition salt having an anionic counterion, the acid has a pKa in the range of -3.7 to 4.8, and the duallylamine contains 80 mol% or more and 98 mol% or less.

A cationic-stabilized dispersion for use in fabricating an in-mold coated article including at least one of a cationic-stabilized polyurethane dispersion, a cationic-stabilized acrylic dispersion, a cationic-stabilized polyacrylamide dispersion, a cationic-stabilized polyallylamine dispersion, a cationic-stabilized polyetheramine dispersion, and a cationic-stabilized chitosan dispersion.

The present invention provides a versatile copper sulfate plating solution that can achieve both smooth plating and recess-filling plating for circuit formation using the same plating solution composition. The copper sulfate plating solution is composed of copper sulfate, sulfuric acid, and chlorine, and contains, as additives, a brightener, a polymer, and two types of levelers A and B. The copper sulfate plating solution is characterized by the addition of a mixture of leveler A, an amine compound obtained by reacting a nitrogen compound selected from ammonia, alkylamines, aliphatic amines, and aromatic amines with epichlorohydrin, and leveler B, a methyldiallylamine-based leveler such as N-methyldiallylamine hydrobromide-sulfur dioxide copolymer.

This invention provides a method for manufacturing a wear-resistant, high-strength fastener, comprising the following processes: S1. Shot blasting the substrate, followed by degreasing and drying to obtain a pre-form; S2. Diluting the adhesive to a specified ratio and then preparing Dacromet; S3. Pre-baking at 80-120℃ for 5-10 minutes; S4. Spraying Dacromet and then curing; wherein, the adhesive comprises 3-5% by mass of a multifunctional polymer, 0.05-1% by mass of acetic acid, and the balance being water; the multifunctional polymer is a copolymer mixture formed by copolymerizing allylamine, allyltriethoxysilane, vinylphenyldimethoxysilane, and butadiene, followed by end-capping with 3-mercaptopropyltrimethoxysilane; during the copolymerization process, graphene and chitosan are also added, allowing the graphene and chitosan to embed within the network of the copolymer mixture. The high-strength fastener obtained based on this process exhibits high resistance to hydrogen embrittlement, high Dacromet adhesion, and resistance to fatigue fracture.

A chemical conversion coating agent that enables chemical conversion coating by which favorable corrosion resistance is obtained after coating. A chemical conversion coating agent which contains (A) at least one metal component that is selected from the group consisting of zirconium, titanium and hafnium, (B) fluorine and (C) an allylamine-diallylamine copolymer, wherein the content of the metal component (A) is 10 to 10,000 ppm by mass in terms of elemental metal relative to the total mass of the chemical conversion coating agent; the content ratio of a diallylamine segment derived from diallylamine in the allylamine-diallylamine copolymer (C) is 52% to 98% by mole relative to the total of an allylamine segment derived from allylamine and the diallylamine segment; the weight average molecular weight of the allylamine-diallylamine copolymer (C) is 500 to 500,000; and the content of the allylamine-diallylamine copolymer (C) is 25 to 5,000 ppm by mass in terms of the resin solid content concentration relative to the total mass of the chemical conversion coating agent.

An oral care composition is disclosed, comprising 0.01 to 10% by weight of a deposited polymer and a polyhydroxy fatty acid amide surfactant of formula (I); wherein R 1 It is a C1-C4 alkyl or hydroxyl-substituted C1-C4 alkyl; R 2 It is a straight-chain or branched, saturated or unsaturated hydrocarbon chain having 15 to 21 carbon atoms, and a beneficial agent selected from optical agents, antimicrobial agents and mixtures thereof; wherein the deposited polymers include xanthan gum, sodium alginate, pectin, modified starch, gelatin, carrageenan, gellan gum, fenugreek gum, konjac gum, tragacanth gum, arabic gum, γ-polyglutamic acid, sodium heparin, copolymers of methyl vinyl ether and maleic anhydride, polyacrylic acid, polystyrene sulfonate, deoxyribonucleic acid, poly(allylamine), locust bean gum, guar gum, polyglycolic acid, polylactic acid, poly(glycolic acid-co-lactic acid), chitosan, humic acid, phytic acid, derivatives thereof or mixtures thereof:

The invention relates to the field of dust removal filter bags, and discloses a polyester fiber dust removal filter bag and a preparation method thereof.The dust removal filter bag is prepared from modified polyester fibers and reinforced fibers through needling, the modified polyester fibers are prepared from PET slices and composite material through melt spinning, and the composite material uses DOPO-based benzoxazine derivatives as a matrix and graphene oxide as a reinforcement body; and chalcone-based benzoxazine is used as a coupling agent, and a solution blending method is adopted to prepare the composite material. The DOPO-based benzoxazine derivative is prepared by carrying out nucleophilic addition reaction on double-bond benzoxazine liquid and DOPO, wherein the double-bond benzoxazine liquid is prepared by carrying out Mannich reaction on allylamine, paraformaldehyde and cardanol; according to the chalcone benzoxazine, paeonol and terephthalaldehyde are subjected to a Claisen-Schmidt reaction to prepare a chalcone intermediate, and then the chalcone intermediate, gamma-aminopropyltriethoxysilane and paraformaldehyde are subjected to a Mannich reaction to prepare the chalcone benzoxazine. The dust removal filter bag prepared by the invention has good mechanical properties, high temperature resistance, flame retardance, antibacterial property and hydrophobicity.

The invention belongs to the technical field of chemical synthesis, and relates to the technical field of synthesis of allylamine drug intermediates, in particular to a method for synthesizing cis-allylamine compounds through iron photocatalysis. In order to develop a simple, convenient and green photocatalytic technology for preparing the cis-allylamine compound, aryl-terminated alkyne or a derivative thereof and amino acid are used as raw materials, a one-pot reaction is carried out under purple light irradiation through iron catalysis, the corresponding Z-selective olefin compound can be obtained, the method is mild in reaction condition, simple to operate and high in cis-selectivity, and the method is suitable for industrial production. A catalytic system which is low in cost, green and good in biocompatibility is used, and the concept of green chemistry is met. In addition, the photocatalytic technology provided by the invention provides a green and efficient innovative approach for synthesis of cis-allylamine drugs.